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Imaging findings associated with nasopharyngeal amyloidosis in an Arabian stallion.

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Title: Imaging findings associated with nasopharyngeal amyloidosis in an Arabian stallion.
Authors: Russell, L. A.1 (AUTHOR), Navas de Solis, C.1 (AUTHOR), Whitfield‐Cargile, C. M.1 (AUTHOR), Deveau, M. A.1 (AUTHOR), Buchanan, B. R.2 (AUTHOR), Gilmour, L. J.1 (AUTHOR) Lgilmour@cvm.tamu.edu
Source: Equine Veterinary Education. Feb2020, Vol. 32 Issue 2, p79-83. 5p.
Subject Terms: Respiratory mucosa, Amyloidosis, Stallions, Nasal mucosa, Nasal cavity, Nasopharynx, Lymph nodes
Abstract: Summary: A 3‐year‐old Arabian stallion presented for imaging and further work‐up of nasal discharge and respiratory stridor secondary to nasal amyloidosis. Thickening of the nasal mucosa with heterogeneous attenuation of the affected tissues was identified on CT images. The nasal mucosa, mucosa of the arytenoid cartilages, and regional lymph nodes were hypointense on T2 and T1 MRI images with moderate, patchy contrast enhancement. Biopsy and histopathology of the nasal mucosa, mucosa of the arytenoid cartilages and regional lymph nodes confirmed the original diagnosis of amyloidosis. Six fractions of helical tomotherapy did not provide significant improvement in respiratory effort, and permanent tracheostomy was performed. Haemorrhagic nasal discharge and mucosal plaques in the nasal cavity, pharynx, larynx, and trachea worsened over a 19‐month interim. This paper offers the first description of the CT and MRI findings of nasopharyngeal amyloidosis in a horse, and the first description of the use of helical tomotherapy in an equine patient. [ABSTRACT FROM AUTHOR]
Copyright of Equine Veterinary Education is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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DbLabel: Education Research Complete
An: 141076183
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Imaging findings associated with nasopharyngeal amyloidosis in an Arabian stallion.
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  Data: <searchLink fieldCode="AR" term="%22Russell%2C+L%2E+A%2E%22">Russell, L. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Navas+de+Solis%2C+C%2E%22">Navas de Solis, C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Whitfield‐Cargile%2C+C%2E+M%2E%22">Whitfield‐Cargile, C. M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deveau%2C+M%2E+A%2E%22">Deveau, M. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Buchanan%2C+B%2E+R%2E%22">Buchanan, B. R.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gilmour%2C+L%2E+J%2E%22">Gilmour, L. J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Lgilmour@cvm.tamu.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Equine+Veterinary+Education%22">Equine Veterinary Education</searchLink>. Feb2020, Vol. 32 Issue 2, p79-83. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Respiratory+mucosa%22">Respiratory mucosa</searchLink><br /><searchLink fieldCode="DE" term="%22Amyloidosis%22">Amyloidosis</searchLink><br /><searchLink fieldCode="DE" term="%22Stallions%22">Stallions</searchLink><br /><searchLink fieldCode="DE" term="%22Nasal+mucosa%22">Nasal mucosa</searchLink><br /><searchLink fieldCode="DE" term="%22Nasal+cavity%22">Nasal cavity</searchLink><br /><searchLink fieldCode="DE" term="%22Nasopharynx%22">Nasopharynx</searchLink><br /><searchLink fieldCode="DE" term="%22Lymph+nodes%22">Lymph nodes</searchLink>
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  Data: Summary: A 3‐year‐old Arabian stallion presented for imaging and further work‐up of nasal discharge and respiratory stridor secondary to nasal amyloidosis. Thickening of the nasal mucosa with heterogeneous attenuation of the affected tissues was identified on CT images. The nasal mucosa, mucosa of the arytenoid cartilages, and regional lymph nodes were hypointense on T2 and T1 MRI images with moderate, patchy contrast enhancement. Biopsy and histopathology of the nasal mucosa, mucosa of the arytenoid cartilages and regional lymph nodes confirmed the original diagnosis of amyloidosis. Six fractions of helical tomotherapy did not provide significant improvement in respiratory effort, and permanent tracheostomy was performed. Haemorrhagic nasal discharge and mucosal plaques in the nasal cavity, pharynx, larynx, and trachea worsened over a 19‐month interim. This paper offers the first description of the CT and MRI findings of nasopharyngeal amyloidosis in a horse, and the first description of the use of helical tomotherapy in an equine patient. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Equine Veterinary Education is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/eve.12921
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      – Code: eng
        Text: English
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      – SubjectFull: Respiratory mucosa
        Type: general
      – SubjectFull: Amyloidosis
        Type: general
      – SubjectFull: Stallions
        Type: general
      – SubjectFull: Nasal mucosa
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      – SubjectFull: Nasal cavity
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      – SubjectFull: Nasopharynx
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      – SubjectFull: Lymph nodes
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      – TitleFull: Imaging findings associated with nasopharyngeal amyloidosis in an Arabian stallion.
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            NameFull: Navas de Solis, C.
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              Text: Feb2020
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              Y: 2020
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